body,div,h1,span,p,ul,li,a,img{
    padding: 0;
    margin: 0;
}
body{
    font-family: 宋体;
    color: #333333;
}
.header{
    width: 100%;
    height:110px;
    margin: auto;
}
.banner{
    width: 75%;
    height: 110px;
    margin: auto;
    background: url("../img/banner.jpg") no-repeat;
    background-size: cover;
}
.logo{
    float: left;
    margin-left: 10px;
}
.logo h1{
    font-size: 22px;
    font-weight: normal;
    letter-spacing: 8px;
    margin-top: 33px;
}
.logo h2{
    font-size: 14px;
    font-weight: normal;
    margin-top: 13px;
}
.reg{
    float: right;
    margin-top: 50px;
    margin-right: 300px;
}
.reg li{
    margin: auto;
}
.nav{
    height: 38px;
    width: 75%;
    margin: auto;
    background: lightskyblue;
}
.daohang{
    width: 75%;
    height: 300px;
    margin-top: 0px;
    margin: auto;
    background: url("../img/banner.png") no-repeat;
    background-size: cover;
}
.foot{
    width: 75%;
    height: 100px;
    margin-bottom: 0px;
    margin: auto;
    background: skyblue;
    background-size: cover;
}
.footer{
    width: 100%;
    height: 50px;
    margin-bottom: 20px;
}
.footer p{
    text-align: center;
}
.main{
    width: 75%;
    height: 800px;
    margin: auto;
    background: url("../img/banner.jpg");
    background-size: cover;
}
.message{
    width: 400px;
    height: 780px;
    margin-top: 20px;
    margin-left: 20px;
    float: left;
}
.message1{
    width: 400px;
    height: 780px;
    margin-top: 20px;
    margin-left: 50px;
    float: left;
}
.newer{
    width: 200px;
    height: 800px;
    margin-top: 20px;
    margin-left: 50px;
    float: left;
}
.first{
    width: 75%;
    height: 250px;
    margin: auto;
}
.second{
    width: 75%;
    height: 250px;
    margin: auto;
}
.third{
    width: 75%;
    height: 300px;
    margin: auto;
}
.input{
    width:400px;
    margin: auto;
}
.ceo{
    width:400px;
    margin: auto;
}
.ceo2{
    width:400px;
    margin: auto;
}